shell版俄罗斯方块(转)[@more@]

感谢各位兄弟的捧场，

属于旧瓶装新酒了，呵呵

如果你的终端可以显示出颜色，效果会好点

运行于GNU bash, version 2.05a.0(1)-release (i686-pc-linux-gnu)

[code:1:7a68d2722e]

#!/bin/bash

# Tetris Game

# 10.21.2003 xhchen

#color definition

cRed=1

cGreen=2

cYellow=3

cBlue=4

cFuchsia=5

cCyan=6

cWhite=7

colorTable=($cRed $cGreen $cYellow $cBlue $cFuchsia $cCyan $cWhite)

#size & position

iLeft=3

iTop=2

((iTrayLeft = iLeft + 2))

((iTrayTop = iTop + 1))

((iTrayWidth = 10))

((iTrayHeight = 15))

#style definition

cBorder=$cGreen

cScore=$cFuchsia

cScoreValue=$cCyan

#control signal

sigRotate=25

sigLeft=26

sigRight=27

sigDown=28

sigAllDown=29

sigExit=30

box0=(0 0 0 1 1 0 1 1)

box1=(0 2 1 2 2 2 3 2 1 0 1 1 1 2 1 3)

box2=(0 0 0 1 1 1 1 2 0 1 1 0 1 1 2 0)

box3=(0 1 0 2 1 0 1 1 0 0 1 0 1 1 2 1)

box4=(0 1 0 2 1 1 2 1 1 0 1 1 1 2 2 2 0 1 1 1 2 0 2 1 0 0 1 0 1 1 1 2)

box5=(0 1 1 1 2 1 2 2 1 0 1 1 1 2 2 0 0 0 0 1 1 1 2 1 0 2 1 0 1 1 1 2)

box6=(0 1 1 1 1 2 2 1 1 0 1 1 1 2 2 1 0 1 1 0 1 1 2 1 0 1 1 0 1 1 1 2)

box=(${box0[@]} ${box1[@]} ${box2[@]} ${box3[@]} ${box4[@]} ${box5[@]} ${box6[@]})

countBox=(1 2 2 2 4 4 4)

offsetBox=(0 1 3 5 7 11 15)

iScoreEachLevel=50 #be greater than 7

#Runtime data

sig=0

iScore=0

iLevel=0

boxNew=() #new box

cBoxNew=0 #new box color

iBoxNewType=0 #new box type

iBoxNewRotate=0 #new box rotate degree

boxCur=() #current box

cBoxCur=0 #current box color

iBoxCurType=0 #current box type

iBoxCurRotate=0 #current box rotate degree

boxCurX=-1 #current X position

boxCurY=-1 #current Y position

iMap=()

for ((i = 0; i < iTrayHeight * iTrayWidth; i++)); do iMap[$i]=-1; done

function RunAsKeyReceiver()

{

local pidDisplayer key aKey sig cESC sTTY

pidDisplayer=$1

aKey=(0 0 0)

cESC=`echo -ne "33"`

cSpace=`echo -ne "40"`

sTTY=`stty -g`

trap "MyExit;" INT TERM

trap "MyExitNoSub;" $sigExit

echo -ne "33[?25l"

while [[ 1 ]]

do

read -s -n 1 key

aKey[0]=${aKey[1]}

aKey[1]=${aKey[2]}

aKey[2]=$key

sig=0

if [[ $key == $cESC && ${aKey[1]} == $cESC ]]

then

MyExit

elif [[ ${aKey[0]} == $cESC && ${aKey[1]} == "[" ]]

then

if [[ $key == "A" ]]; then sig=$sigRotate

elif [[ $key == "B" ]]; then sig=$sigDown

elif [[ $key == "D" ]]; then sig=$sigLeft

elif [[ $key == "C" ]]; then sig=$sigRight

fi

elif [[ $key == "W" || $key == "w" ]]; then sig=$sigRotate

elif [[ $key == "S" || $key == "s" ]]; then sig=$sigDown

elif [[ $key == "A" || $key == "a" ]]; then sig=$sigLeft

elif [[ $key == "D" || $key == "d" ]]; then sig=$sigRight

elif [[ "[$key]" == "[]" ]]; then sig=$sigAllDown

elif [[ $key == "Q" || $key == "q" ]]

then

MyExit

fi

if [[ $sig != 0 ]]

then

kill -$sig $pidDisplayer

fi

done

}

function MyExitNoSub()

{

local y

stty $sTTY

((y = iTop + iTrayHeight + 4))

echo -e "33[?25h33[${y};0H"

exit

}

function MyExit()

{

kill -$sigExit $pidDisplayer

MyExitNoSub

}

function RunAsDisplayer()

{

local sigThis

InitDraw

trap "sig=$sigRotate;" $sigRotate

trap "sig=$sigLeft;" $sigLeft

trap "sig=$sigRight;" $sigRight

trap "sig=$sigDown;" $sigDown

trap "sig=$sigAllDown;" $sigAllDown

trap "ShowExit;" $sigExit

while [[ 1 ]]

do

for ((i = 0; i < 21 - iLevel; i++))

do

usleep 20000

sigThis=$sig

sig=0

if ((sigThis == sigRotate)); then BoxRotate;

elif ((sigThis == sigLeft)); then BoxLeft;

elif ((sigThis == sigRight)); then BoxRight;

elif ((sigThis == sigDown)); then BoxDown;

elif ((sigThis == sigAllDown)); then BoxAllDown;

fi

done

#kill -$sigDown $$

BoxDown

done

}

function BoxMove()

{

local j i x y xTest yTest

yTest=$1

xTest=$2

for ((j = 0; j < 8; j += 2))

do

((i = j + 1))

((y = ${boxCur[$j]} + yTest))

((x = ${boxCur[$i]} + xTest))

if (( y < 0 || y >= iTrayHeight || x < 0 || x >= iTrayWidth))

then

return 1

fi

if ((${iMap[y * iTrayWidth + x]} != -1 ))

then

return 1

fi

done

return 0;

}

function Box2Map()

{

local j i x y xp yp line

for ((j = 0; j < 8; j += 2))

do

((i = j + 1))

((y = ${boxCur[$j]} + boxCurY))

((x = ${boxCur[$i]} + boxCurX))

((i = y * iTrayWidth + x))

iMap[$i]=$cBoxCur

done

line=0

for ((j = iTrayWidth * iTrayHeight; j > 0; j -= iTrayWidth))

do

for ((i = j - iTrayWidth; i < j; i++))

do

if ((${iMap[$i]} == -1)); then break; fi

done

if ((i < j)); then continue; fi

((line++))

for ((i = j - 1; i >= iTrayWidth; i--))

do

((x = i - iTrayWidth))

iMap[$i]=${iMap[$x]}

done

for ((i = 0; i < iTrayWidth; i++))

do

iMap[$i]=-1

done

if ((line == 0)); then return; fi

((x = iLeft + iTrayWidth * 2 + 7))

((y = iTop + 11))

((iScore += line * 2 - 1))

echo -ne "33[1m33[3${cScoreValue}m33[${y};${x}H${iScore} "

if ((iScore % iScoreEachLevel < line * 2 - 1))

then

if ((iLevel < 20))

then

((iLevel++))

((y = iTop + 14))

echo -ne "33[3${cScoreValue}m33[${y};${x}H${iLevel} "

fi

echo -ne "33[0m"

for ((y = 0; y < iTrayHeight; y++))

do

((yp = y + iTrayTop + 1))

((xp = iTrayLeft + 1))

((i = y * iTrayWidth))

echo -ne "33[${yp};${xp}H"

for ((x = 0; x < iTrayWidth; x++))

do

((j = i + x))

if ((${iMap[$j]} == -1))

then

echo -ne " "

else

echo -ne "33[1m33[3${iMap[$j]}m33[4${iMap[$j]}m[]33[0m"

fi

done

}

function BoxDown()

{

local y s

((y = boxCurY + 1))

if BoxMove $y $boxCurX

then

s="`DrawCurBox 0`"

((boxCurY = y))

s="$s`DrawCurBox 1`"

echo -ne $s

else

Box2Map

RandomBox

fi

}

function BoxLeft()

{

local x s

((x = boxCurX - 1))

if BoxMove $boxCurY $x

then

s=`DrawCurBox 0`

((boxCurX = x))

s=$s`DrawCurBox 1`

echo -ne $s

fi

}

function BoxRight()

{

local x s

((x = boxCurX + 1))

if BoxMove $boxCurY $x

then

s=`DrawCurBox 0`

((boxCurX = x))

s=$s`DrawCurBox 1`

echo -ne $s

fi

}

function BoxAllDown()

{

local k j i x y iDown s

iDown=$iTrayHeight

for ((j = 0; j < 8; j += 2))

do

((i = j + 1))

((y = ${boxCur[$j]} + boxCurY))

((x = ${boxCur[$i]} + boxCurX))

for ((k = y + 1; k < iTrayHeight; k++))

do

((i = k * iTrayWidth + x))

if (( ${iMap[$i]} != -1)); then break; fi

done

((k -= y + 1))

if (( $iDown > $k )); then iDown=$k; fi

done

s=`DrawCurBox 0`

((boxCurY += iDown))

s=$s`DrawCurBox 1`

echo -ne $s

Box2Map

RandomBox

}

function BoxRotate()

{

local iCount iTestRotate boxTest j i s

iCount=${countBox[$iBoxCurType]}

((iTestRotate = iBoxCurRotate + 1))

if ((iTestRotate >= iCount))

then

((iTestRotate = 0))

fi

for ((j = 0, i = (${offsetBox[$iBoxCurType]} + $iTestRotate) * 8; j < 8; j++, i++))

do

boxTest[$j]=${boxCur[$j]}

boxCur[$j]=${box[$i]}

done

if BoxMove $boxCurY $boxCurX

then

for ((j = 0; j < 8; j++))

do

boxCur[$j]=${boxTest[$j]}

done

s=`DrawCurBox 0`

for ((j = 0, i = (${offsetBox[$iBoxCurType]} + $iTestRotate) * 8; j < 8; j++, i++))

do

boxCur[$j]=${box[$i]}

done

s=$s`DrawCurBox 1`

echo -ne $s

iBoxCurRotate=$iTestRotate

else

for ((j = 0; j < 8; j++))

do

boxCur[$j]=${boxTest[$j]}

done

fi

}

function DrawCurBox()

{

local i j t bDraw sBox s

bDraw=$1

s=""

if (( bDraw == 0 ))

then

sBox="4040"

else

sBox="[]"

s=$s"33[1m33[3${cBoxCur}m33[4${cBoxCur}m"

fi

for ((j = 0; j < 8; j += 2))

do

((i = iTrayTop + 1 + ${boxCur[$j]} + boxCurY))

((t = iTrayLeft + 1 + 2 * (boxCurX + ${boxCur[$j + 1]})))

s=$s"33[${i};${t}H${sBox}"

done

s=$s"33[0m"

echo -n $s

}

function RandomBox()

{

local i j t

#change current box

iBoxCurType=${iBoxNewType}

iBoxCurRotate=${iBoxNewRotate}

cBoxCur=${cBoxNew}

for ((j = 0; j < ${#boxNew[@]}; j++))

do

boxCur[$j]=${boxNew[$j]}

done

if (( ${#boxCur[@]} == 8 ))

then

#calculate current box's starting position

for ((j = 0, t = 4; j < 8; j += 2))

do

if ((${boxCur[$j]} < t)); then t=${boxCur[$j]}; fi

done

((boxCurY = -t))

for ((j = 1, i = -4, t = 20; j < 8; j += 2))

do

if ((${boxCur[$j]} > i)); then i=${boxCur[$j]}; fi

if ((${boxCur[$j]} < t)); then t=${boxCur[$j]}; fi

done

((boxCurX = (iTrayWidth - 1 - i - t) / 2))

echo -ne `DrawCurBox 1`

if ! BoxMove $boxCurY $boxCurX

then

kill -$sigExit ${PPID}

ShowExit

fi

#clear old box

for ((j = 0; j < 4; j++))

do

((i = iTop + 1 + j))

((t = iLeft + 2 * iTrayWidth + 7))

echo -ne "33[${i};${t}H "

done

#get a random new box

((iBoxNewType = RANDOM % ${#offsetBox[@]}))

((iBoxNewRotate = RANDOM % ${countBox[$iBoxNewType]}))

for ((j = 0, i = (${offsetBox[$iBoxNewType]} + $iBoxNewRotate) * 8; j < 8; j++, i++))

do

boxNew[$j]=${box[$i]};

done

((cBoxNew = ${colorTable[RANDOM % ${#colorTable[@]}]}))

#display new box

echo -ne "33[1m33[3${cBoxNew}m33[4${cBoxNew}m"

for ((j = 0; j < 8; j += 2))

do

((i = iTop + 1 + ${boxNew[$j]}))

((t = iLeft + 2 * iTrayWidth + 7 + 2 * ${boxNew[$j + 1]}))

echo -ne "33[${i};${t}H[]"

done

echo -ne "33[0m"

}

function InitDraw()

{

clear

RandomBox

local i t1 t2 t3

#draw border

echo -ne "33[1m"

echo -ne "33[3${cBorder}m33[4${cBorder}m"

((t2 = iLeft + 1))

((t3 = iLeft + iTrayWidth * 2 + 3))

for ((i = 0; i < iTrayHeight; i++))

do

((t1 = i + iTop + 2))

echo -ne "33[${t1};${t2}H||"

echo -ne "33[${t1};${t3}H||"

done

((t2 = iTop + iTrayHeight + 2))

for ((i = 0; i < iTrayWidth + 2; i++))

do

((t1 = i * 2 + iLeft + 1))

echo -ne "33[${iTrayTop};${t1}H=="

echo -ne "33[${t2};${t1}H=="

done

echo -ne "33[0m"

#draw score & level prompt

echo -ne "33[1m"

((t1 = iLeft + iTrayWidth * 2 + 7))

((t2 = iTop + 10))

echo -ne "33[3${cScore}m33[${t2};${t1}HScore"

((t2 = iTop + 11))

echo -ne "33[3${cScoreValue}m33[${t2};${t1}H${iScore}"

((t2 = iTop + 13))

echo -ne "33[3${cScore}m33[${t2};${t1}HLevel"

((t2 = iTop + 14))

echo -ne "33[3${cScoreValue}m33[${t2};${t1}H${iLevel}"

echo -ne "33[0m"

}

function ShowExit()

{

local y

((y = iTrayHeight + iTrayTop + 3))

echo -e "33[${y};0HGameOver!33[0m"

exit

}

#Start from here.

if [[ $1 != "--show" ]]

then

$0 --show&

RunAsKeyReceiver $!

exit

else

RunAsDisplayer

exit

f

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